Keystones — Lintel
Five GCSE retrieval questions · 4 February 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 542 + 156
Answer: 542 + 156 = 698 -
2. Algebra
Solve: 3x = 27
Answer: x = 9 -
3. Geometry
A right triangle has hypotenuse 5cm and one side 3cm. Find its area
Answer: 6cm² -
4. Ratio
Simplify: 24:24:12
Answer: 2:2:1 -
5. Statistics
Find the range of: -9, -12, 3, 39, 45
Answer: 57